Okay i got a Sabre HE boiler, this morning it stoped fireing up. when i turn on the hot water the fan starts but no ignition. however when i take the main shell off and then take the front panel off it lights fine. i think it may have somthing to do with air intake. anyone got any ideas?

Sounds the classic fault of the fan venturis blocked.

However this is a gas safe engineers job to strip clean and fix, certainly not a DIY job I'm afraid.

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Dave

www.drlgas.co.uk